Improved amalgamatoe



S'IEPHEN'FOUNTAI'N, 0F SILVER CITY, NEVADA.

Letters Patent No. 77,183, dated .April 28, 1 868.

IMPROVBD AMALGAMATOR.

@the .Stimuli reftmh tu in there Miers @anni mit making putt nf the samt.

TQ ALL WHOM IT MAY CONCERN Be it known that I, STEPHEN FOUNTAIN, of Silver City, county ofL Lyon, State of Nevada, have invented nn Improved'Amalgnmator for saving the precious metals and I do hereby declare the followingdescription and accompanying drawings are suilicient tb enable any person skilled in the art or science to which itr most nearly apperteins to make and use my said invention or improvement without-further invention or experiment.

I The nature of my invention consists in providing an amelgnmnting-'pan with asteam-chamber around its centre, to be cast entire, nnd'of one piece with the pan, which materially lessens the cost of construction, 4and avoids liability to leakage.

To describe my improvement, I refer to the accompanying drawing forming part of this 'speciiicatiom of which- Y i Figure 1^s e plan of my improved p,

Figure 2 is a sectional elevation of the amnlgsmator, and

Figure 3 u bottom view of the muller. i'

I cast mypan, A, which may be of such size as may be required, with e. hollow hub for the shaft which l operates the muller'to pass through, said hub having a' double woll around the opening for the shaft to form the steam-tight chamber B, as. represented in iig. 2. I Into this chamherVIvadmi-t,steum'through h oles-n the bottom, to aup'plythe' heat required in the-use of the machine. 'The pan, together with the aforesaid hollow chamber, with holes in the Abottom for the admission of steam, may be cust in the usual manner of casting hollow ware, well known und Vpractised by fouudrymen. y y

Fig. 1 represente the bottom of the pan, with the iron dies C C alternating with the' blocks of wood D D,

and surrounded by the ,curved wooden piecesE E. The muller E', iig. 3, revolves aroundtl1esteam-chamber B, Athe shoes F, with the inclined projectionsG G, being attached to said muller in the usuel way, by projections,.slot's, and keys. t l

WhatI claim as myinvention and improvement in amalgamators, is-' Casting the pau with a. hub, having an opening through it for the shaft to pass through, and having a double vwall around this opening to form a. steam-chamber for supplying heat to the machine, substantially as described.

In testimony whereof, I-hereunto set my hand and semi. v v

i STEPHEN FOUNTAIN. [1.. s.] Witnesses:

J. L.. Boone, Y Geo. H. STRONG. 

